Case C-367/18: Order of the Court (Second Chamber) of 12 June 2019 (request for a preliminary ruling from the Tribunal Supremo — Spain) — María Teresa Aragón Carrasco and Others v Administración del Estado (Reference for a preliminary ruling — Article 53(2) and Article 99 of the Rules of Procedure of the Court of Justice — Social policy — Directive 1999/70/EC — Framework agreement on fixed-term work concluded by ETUC, UNICE and CEEP — Clause 4 — Principle of non-discrimination — Comparability of situations — Justification — Clause 5 — Compensation in the event of termination for an objective reason of an employment contract for an indefinite period — No compensation upon the termination of the post of workers employed as auxiliary staff)